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Sr. Full Stack Web Developer - React

New York, NY, US

19 days ago
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Summary

Who We Are

We are a small disruptive GenAI startup with agentic AI capabilities. At our core, we are dedicated to crafting science-based solutions prioritizing social impact.

We are seeking an experienced React Web Developer with a strong foundation in front-end development and a passion for building high-quality user interfaces. The ideal candidate will bring a collaborative mindset, technical excellence, and a commitment to delivering exceptional digital experiences.

Key Responsibilities

As a member of our front-end development team, you will:

  • Design, develop, and maintain scalable features using React.js
  • Build reusable and maintainable components with React Hooks and modern JavaScript practices
  • Collaborate with designers to implement pixel-perfect UI based on Figma mockups
  • Manage application state using Redux, Context API, or comparable tools
  • Integrate frontend components with RESTful and GraphQL APIs
  • Optimize applications for speed, accessibility, and responsiveness across devices
  • Debug, troubleshoot, and resolve issues across various browsers and screen sizes
  • Work closely with engineering, design, and product teams in an Agile environment
  • Write clean, well-tested code with unit and integration test coverage
  • Participate in architectural discussions and contribute to front-end scalability initiatives

Required Qualifications

  • Minimum of 5 years of professional experience developing modern web applications
  • At least 3 years of production-level experience with React.js
  • Comprehensive understanding of React.js and the contemporary JavaScript ecosystem
  • Demonstrated expertise in building performant, accessible, and responsive interfaces
  • Strong grasp of browser behavior, optimization techniques, and debugging tools
  • Proficiency in Git-based workflows and Agile development methodologies
  • A proactive, ownership-driven approach to feature development and deployment
  • Excellent communication and collaboration skills in cross-functional teams
  • Experience working in fast-paced, iterative development environments
  • Bachelor’s degree in Computer Science or equivalent practical experience

Primary Technologies

  • React.js (Hooks, Context API, React Router)
  • Next.js
  • TypeScript, JavaScript (ES6+), HTML5, CSS3
  • Redux or equivalent state management solutions
  • Tailwind CSS, styled-components
  • REST and GraphQL APIs
  • Git, Webpack, npm, VS Code

Preferred Additional Experience

  • Node.js
  • Storybook, Framer Motion, and other animation libraries
  • SEO best practices and structured data implementation
  • CI/CD tools such as GitHub Actions, Vercel, or Netlify
  • Performance optimization tools (e.g., Lighthouse, Chrome DevTools)
  • Accessibility (WCAG) and internationalization (i18n) practices

Salary: $150k - $190k/yr plus bonus and equity.

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